diff --git a/rama-dns/src/lib.rs b/rama-dns/src/lib.rs
index 46918326..b83d5c71 100644
--- a/rama-dns/src/lib.rs
+++ b/rama-dns/src/lib.rs
@@ -83,7 +83,8 @@ impl<R: DnsResolver<Error: Into<BoxError>>> DnsResolver for Option<R> {
 pub struct DnsChainDomainResolveErr<E: 'static> {
     errors: Vec<E>,
 }
-impl<E: std::fmt::Debug + Send> std::fmt::Display for DnsChainDomainResolveErr<E> {
+
+impl<E: std::fmt::Debug> std::fmt::Display for DnsChainDomainResolveErr<E> {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         write!(f, "{:?}", self.errors)
     }